The underrated vintage soviet telephoto lens - Jupiter 21m 200mm f4 - review and test

The Jupiter 21m is often forgotten when talking about vintage soviet lenses, but why? Poor quality or just less fame? ● Instagram: ● Blog: M42 Adapter: (affiliate links) US IT ● You can now support the channel directly: ● or by buying prints here: ►Gear: Sony a6500 US IT Sony a5100 US IT Sony 18-105mm US IT Sigma 30mm US IT http://a